Question

Two charges A and B of magnitudes +8.0 μC each, are kept at points (2,1) and (2,7) respectively in a Cartesian coordinate system measured in meters. If the charges are in a vacuum, calculate the force of A on B.

• A. 
• B. 
• C. 
• D. 
• E. 

Answer 1

$$F=(9\cdot10^9)\frac{(8\cdot10^{-6})^2}{(7-1)^2}=0.016\ N$$